80802638508 has 48 divisors (see below), whose sum is σ = 198646995456. Its totient is φ = 25513023360.

The previous prime is 80802638503. The next prime is 80802638509. The reversal of 80802638508 is 80583620808.

It is a super-3 number, since 3×80802638508³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80802638503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392753 + ... + 1449608.

It is an arithmetic number, because the mean of its divisors is an integer number (4138479072).

Almost surely, 2^80802638508 is an apocalyptic number.

It is an amenable number.

80802638508 is an abundant number, since it is smaller than the sum of its proper divisors (117844356948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80802638508 is a wasteful number, since it uses less digits than its factorization.

80802638508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842494 (or 2842492 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 80802638508 in words is "eighty billion, eight hundred two million, six hundred thirty-eight thousand, five hundred eight".